GPT-5 mini (High) vs Grok 4.3 (Non-reasoning)
Which is better for the money: GPT-5 mini (High) by OpenAI or Grok 4.3 (Non-reasoning) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-5 mini (High)
Grok 4.3 (Non-reasoning) vs GPT-5 mini (High): 16.7% less intelligence, 32.7% more cost to run the AA benchmark, and 90.8% faster end-to-end.
| Metric | GPT-5 mini (High) | Grok 4.3 (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.8 | 14.0 | −16.7% Grok 4.3 (Non-reasoni… is 16.7% less intelligent |
| Total AA cost (lower is better) | $188.66 | $250.37 | +32.7% Grok 4.3 (Non-reasoni… is 32.7% more expensive |
| End-to-end time (lower is better) | 64.18s | 5.89s | −90.8% Grok 4.3 (Non-reasoni… is 90.8% faster |
| Price per 1M tokens (in / out) | $0.25 / $2.00 | $1.25 / $2.50 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5 mini (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
- Grok 4.3 (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5 mini (High)Grok 4.3 (Non-reasoning)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-mini/grok-4-3-non-reasoning · Markdown: /api/v1/compare/gpt-5-mini/grok-4-3-non-reasoning?format=md · llms.txt · agent skill